Class: Stamina::RegLang::CanonicalInfo::ShortPrefixes

Inherits:
Utils::Decorate
  • Object
show all
Defined in:
lib/stamina-induction/stamina/reg_lang/canonical_info.rb

Instance Method Summary collapse

Instance Method Details

#init_deco(s) ⇒ Object 



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# File 'lib/stamina-induction/stamina/reg_lang/canonical_info.rb', line 16

def init_deco(s)
  s.initial? ? [] : nil
end

#propagate(deco, edge) ⇒ Object 



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# File 'lib/stamina-induction/stamina/reg_lang/canonical_info.rb', line 13

def propagate(deco, edge)
  deco.dup << edge.symbol
end

#suppremum(d0, d1) ⇒ Object 



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# File 'lib/stamina-induction/stamina/reg_lang/canonical_info.rb', line 6

def suppremum(d0, d1)
  if (d0.nil? || d1.nil?)
    (d0 || d1)
  else
    (d0.size <= d1.size) ? d0 : d1
  end
end

#take_at_start?(s) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stamina-induction/stamina/reg_lang/canonical_info.rb', line 19

def take_at_start?(s)
  s.initial?
end